Even though disciplined sleeping habits and the adrenalin of live radio ensures that we are very awake while on duty, there is evidence of a phenomenon called circadian desynchronosis which causes one's brain to function slowly at those times of day when it thinks it should be asleep, regardless how wide awake the body is.

Personally, I don't see old economics and behavioural economics as opposed. It is useful to assume people are rational as a good approximation to their long term behaviour, but it would be unwise not to think how in practice their behaviour may deviate from that simplifying assumption.

My instinct is to assume that we consumers are an inconsistent bunch. We like competition if it delivers low prices, but grumble if it delivers the bad news that prices need to go up.

Some people harbour an awkward clash of feelings - homosexual attraction on the one hand and shame or embarrassment about that attraction on the other. It is well known that the mind struggles to sustain conflicting views.

It is no wonder that bank capital is regulated. When borrowing and lending is profitable, it is tempting for banks to scale up their operations and to borrow and lend too much in relation to their capital, in effect reducing the effectiveness of the potential capital cushion.

For me, the main principle for broadcasters has to be that if people stand to benefit from an interview, they should be prepared to face some downside as well.

But sometimes it's good to dare yourself to do the unthinkable. And rather than stand in front of an audience with no clothes on, I decided to have a go at stand-up comedy.